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It is therefore interesting and important whether we can prepare multiphase La1-xSrxCo1-xFexO3-δ materials as composite cathodes of IT-SOFC with different Sr content in different phases to optimize the all aspects of chemical and physical properties, such as lower TEC coexisting with higher electronic and ion conductivities and higher coefficient of surface exchange process, and if not, what the compositions, structures of multiphase and relationships between them are and how it happened.
The objectives of this work are to synthesize perovskite-type multiphase compounds by sol-gel method, and study the progress of multiphase formation and the affects.
A Rietveld method is used to determine the exact coordinates of atoms, the unit cell dimensions, the atom occupation factors, isotropic temperature factors as well as the interatomic distances.
Refinement included all atomic positions, cell parameters, scale factors, background and peak shapes.
Conclusions In order to optimize of chemical and physical properties, multiphase LSCF has been synthesized by sol-gel method.

And put forward the methods of improving the carbonation resistance properties of sulphoaluminate cement foam materials.
The domestic research on properties of large diameter insulation material were focused on the mechanical properties and thermal performance, the study of durability and performance for compression and permeability is relatively less [3].
Therefore, to improve the durability of sulfur aluminate foamed cement, the study on the impact factors of its anti-carbonation properties are meaningful.
Thus, the holes structural integrity have a greater impact on the anti-carbonation properties of the foamed cement.
Influence of selected hydrophobic agents on some properties of autoclaving cellular concrete, J.

Iron-containing intermetallics are usually considered to have negative influences on mechanical properties of aluminum alloys.
However, further studies on mechanical properties and wear mechanism are required.
Mondolfo, Aluminium alloys: structure and properties.
Langdon, Micro-mechanical and tribological properties of aluminum-magnesium nanocomposites processed by high-pressure torsion, Mater.
Kucukomeroglu, Effect of equal-channel angular extrusion on mechanical and wear properties of eutectic Al-12Si alloy, Materials and Design 31 (2010) 782-789

Introduction Because ammunition properties will gradually decrease during ammunition storage, especially, under certain storage conditions, the large slenderness ratio long overweight ammunition’s inherent performance and form factor are more prone to change, which will affect the ammunition secure storage and reliable usage[1].
To meet the accuracy of the spatial phase angle, a several tons, large iron castings up to about 8m is used to be a reference body, so the current detection accuracy of the angle is not traceable. [4] This paper studies the quantitative detection method using laser technology, image recognition and image detection technology for spatial phase angle in laboratory conditions; it also provides a new theory and method to further improve the properties of the product.
directional buttons benchmark and laser light bar I α+δα The revised angle of plug benchmark and laser light bar II β+δβ compensatory value of directional buttons benchmark δα The angle of directional buttons benchmark and laser light bar I α compensatory value of plug benchmark δβ The angle of plug benchmark and laser light bar II β 1 0.092 42.905 -0.053 51.582 2 -0.098 42.919 -0.044 51.568 3 -0.114 42.925 -0.014 51.546 4 -0.064 42.900 -0.044 51.552 5 -0.105 42.914 -0.004 51.507 6 -0.106 42.948 -0.010 51.520 7 -0.099 42.955 -0.028 51.521 The average of γ 85.663 The standard deviation σ of γ 0.0150 ±3σ ±0.045 As the table shows, the actual test result of the two products’ spatial phase angles are 84.671 and 85.663, respectively, indicating that when the pin plug from mechanically processed metal ‘standards bodies’ calibration reference is used to control of the whole ammunition spatial phase angle (theoretical design value is 85), due to the components shape and position error and human factors
(3) If further research has been made on this measuring method and device, the problem that mechanical tooling angle used in the production cannot be accurately measured and standardized may be solved.

The advantage and disadvantage of both methods are described and analysed according to the different material property and requirement.
In addition, the sintering process is a key factor to obtain the high dense part with no crack occurrence and desirable microstructure.
A viscometer (DV-III, ULTRA) is used to measure the viscosity because the particle size affects the viscosity of slurry and the fluidity during casting a layer.
This combination gives the material its corrosion-resistance properties.
Green bodies of dental crown and spur gear are fabricated successfully but the optimization of slurry content to manage of shrinkage and sintering parameters are the main factors to obtain the high precision high dense part.

The entry phase is regarded as the biggest influencing factor for the reamer’s deflection with increasing bore depth.
Improving engine’s control, adding a boosting device, reducing number of cylinders and increasing the surface properties accompanies downsizing.
Since each machining process is affected by undesired disturbances, deviations concerning the target geometry in the area of the pre-drilled bores can occur [8].
The entry phase is regarded as the biggest influencing factor for the reamer’s deflection over the bore depth.
Table 1: Material properties of used 42CrMo4V Rp0,2% Rm A Z hardness 672 N/mm2 900 N/mm2 19% 57% 280 HV For these experiments tests with two different bore diameters were conducted.

The analysis of the crash behavior of extruded components is very complex, since local mechanical properties in the components are inhomogeneous as a consequence of the spatial distribution of microstructure which is influenced by numerous factors like material composition, temperature, tool design, friction, extrusion ratio and speed during the extrusion process.
For the optimization of the extrusion process with regard to all these factors numerical simulation can be an essential tool.
Based on results of finite element simulations of the extrusion process the microstructure in the extruded components can be predicted and then the resulting mechanical properties can be numerically determined instead of by costly trial and error methods.
Not only process parameters but also the microstructure and mechanical properties of extrudates depend strongly on friction effects.
For the water-cooled rods only the outer rim is affected, where for higher velocities there are larger (partially) recrystallized seams.

Milling cutter parameters are the important factors influencing the nozzle surface topology.
It has excellent heat resistant performance, which can better satisfy the need of property for the hydrazine thruster.
The main reason lies in that the nozzle throat has larger burrs than other section, which affects the measured results seriously. 4.
Rapid prototyping and testing of 3D micro rockets using mechanical micro machining[J].
Journal of Mechanical Science and Technology, 2006, 20(1): 85-93

Introduction Composites are anisotropic materials, with varying mechanical properties depending on the direction considered.
Consequently, reinforced fibre composites such as carbon/epoxy are currently attracting lots of attention because of their advantageous mechanical properties.
Another influencial factor is the temperature of the liquid medium, given that a water temperature difference of 1°C results in a 5m/s variation in the ultrasonic wave speed, which in turn automatically affects the determination of the elastic properties of the material.
The three-dimensional characterization of the elastic properties of thin composite materials is difficult.
The elastic behaviour of an anisotropic composite material is described by a rigidity matrix of 21 independent elastic properties.

As can be seen from these results of optimization of a deep drawing process, many important factors must be taken into account.
Many process parameters may affect the material flow in the rectangular cup drawing, such as material properties and the geometry of the sheet blank, punch radius and die corner radius etc.
Their properties and chemical composition are given in table I and II, respectively.
Factor c 2 3 6.
Park, Analytical derivation of earing in circular cup drawing based on simple tension properties.